# Monetarium vs TRIGOMETRIC

The clearest difference is update cadence: Monetarium at every 4 months against TRIGOMETRIC's every 25 months. Monetarium also leads on iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Monetarium ships an update every 4 months, TRIGOMETRIC every 25 months. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Monetarium | TRIGOMETRIC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/monetarium/id1528186547/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 25 months |
| Monetization | Free | — |
| Size | 75 MB | 135 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 9+ |
| Developer | [Monetarium Singapore Pte Ltd](https://appshunter.io/developer/1528186549) | [TRIGOMETRIC SDN BHD](https://appshunter.io/developer/1533217166) |

## What reviewers say

### Monetarium

[App page](https://appshunter.io/ios/app/monetarium/id1528186547)

This app connects users with an auction house specializing in rare banknotes and coins. It provides information on upcoming auctions and services for grading collectibles.

**Highlights:** Banknote and coin auctions, PMG, NGC, PCGS grading authorization, Information on annual auctions, Collectible appraisal services, Singapore-based auction house

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### TRIGOMETRIC

[App page](https://appshunter.io/ios/app/trigometric/id1533217164)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Monetarium free?

Monetarium is free to download, with no in-app purchases.

### Is TRIGOMETRIC free?

TRIGOMETRIC is free to download, with no in-app purchases.

### Do Monetarium or TRIGOMETRIC have ads?

Neither Monetarium nor TRIGOMETRIC shows ads.

### Which is updated more often, Monetarium or TRIGOMETRIC?

Monetarium ships an update every 4 months, and TRIGOMETRIC every 25 months. Most recently, Monetarium was updated on October 20, 2026 and TRIGOMETRIC on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*